Best Port Scanner Software in 2026
Updated
In short: Naabu is ranked #1 of 25 as of 4 October 2026, ahead of ScanSearch and Pentest-Tools Port Scanner. The best-ranked option with a free plan is ScanSearch. The lowest first paid tier on this page is ScanSearch at $0.30/mo.
When you need to examine network ports, consider both the scan details you need and how you’ll run and use the results. Compared on API access, deployment, export formats, free plan, OS detection, paid from, scan scope, scheduled scans and service detection, the entries let you assess coverage, returned information and operational fit. Check scan scope and detection fields against your requirements, then weigh API and export support, scheduling, deployment and price. Naabu, ScanSearch and Pentest-Tools Port Scanner are among the options, alongside Unicornscan and HostedScan Security.
25 port scanner software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Port Scanner Software, one module each. A lit port is something its maker publishes; 5 of the 25 on this page have a public API.
- 01 Naabu API yesOSS not on recordFREE yesDOCS 7.4Free
- 02 ScanSearch API yesOSS not on recordFREE yesDOCS 7.4$0.30/mo
- 03 Pentest-Tools Port Scanner API yesOSS not on recordFREE yesDOCS 7.3$95/mo
- 04 Unicornscan API yesOSS not on recordFREE yesDOCS 7.2Free
- 05 HostedScan Security API yesOSS not on recordFREE not on recordDOCS 6.7$39/mo
- 06 Nmap API not on recordOSS not on recordFREE yesDOCS 5.9$9,980/mo
- 07 Angry IP Scanner API not on recordOSS not on recordFREE yesDOCS 5.8Free
- 08 RustScan API not on recordOSS not on recordFREE yesDOCS 5.8Free
- 09 NetsCLI API not on recordOSS not on recordFREE not on recordDOCS 5.4Free
- 10 Nmap Online Scan API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 11 HackerTarget TCP Port Scan API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 12 Sherlock Forensics Port Scanner API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 13 eslint-plugin-jsx-a11y API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 14 Farsight API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 15 Masscan API not on recordOSS not on recordFREE not on recordDOCS 5.1Free
- 16 PortScan.com API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 17 portwave API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 18 ZMap API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 19 Advanced Port Scanner API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 20 Port Authority API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 21 Port Scanner ActiveX Control API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 22 PortScannerLabs API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 23 SolarWinds Port Scanner API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 24 Windows Malicious Software Removal Tool API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 25 Port Scanner Software API not on recordOSS not on recordFREE not on recordDOCS 4.9
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which port scanner software is ranked first on Inferse?
Naabu is ranked #1 of 25 with a score of 7.4. ScanSearch is second and Pentest-Tools Port Scanner third.
How many of these have a free plan?
9 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ScanSearch has the lowest first paid tier we found: $0.30/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.